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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 25 May 17 20:24:08 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201700857
SRC_RA:          269.3843d {+17h 57m 32s} (J2000),
                 269.6615d {+17h 58m 39s} (current),
                 268.5840d {+17h 54m 20s} (1950)
SRC_DEC:         -29.8537d {-29d 51' 12"} (J2000),
                 -29.8545d {-29d 51' 15"} (current),
                 -29.8488d {-29d 50' 55"} (1950)
DISCOVERY_DATE:  17868 TJD;   115 DOY;   17/04/25 (yy/mm/dd)
DISCOVERY_TIME:  73448 SOD {20:24:08.00} UT
LEAD_TIME:       20.253 [days]
MAX_DATE:        17889 TJD;   136 DOY;   17/05/16 (yy/mm/dd)
MAX_TIME:        8899 SOD {02:28:19.20} UT
MAX_UNCERT:      0.160 [days]
CUSP_WIDTH:      10.91 +/- 0.28 [days]
u0:              0.30 +/- 0.01 [RingUnits]
MAX_MAG:         18.9 mag (estimated)
BASE_MAG:        20.20 +/- 0.00 [mag]
AMPLIFICATION:   3.38 +/- 0.11 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0857.html
SUN_POSTN:        62.86d {+04h 11m 26s}  +21.09d {+21d 05' 40"}
SUN_DIST:        154.34 [deg]   Sun_angle= 10.2 [hr] (West of Sun)
MOON_POSTN:       64.27d {+04h 17m 04s}  +16.33d {+16d 19' 59"}
MOON_DIST:       153.11 [deg]
GAL_COORDS:        0.54, -2.70 [deg] galactic lon,lat of the burst
ECL_COORDS:      269.46, -6.42 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.